You can learn logical thinking and set some grades for fans: gold fans, silver fans, copper fans and so on. (for example, you don't need to take this grade name), and then hold online slimming knowledge sharing from time to time, and members will pay to watch it. A free sharing is inserted every few paid sharing links, and ordinary members can watch and share videos for free by inviting a few friends to pay attention. . The advantage of this is that you can not only collect membership fees directly, but also get a share of product sales in knowledge sharing.